USB stick



FIG. 1 is a top, front, right perspective view of a first embodiment of a USB stick in accordance with my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom view thereof;

FIG. 8 is a top, front, right perspective view of the second embodiment of a USB stick in accordance with my design;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom view thereof. 

CLAIM The ornamental design for a USB stick, as shown and described. 